MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 cbdff40bf525a8fdbb771e23e9da6463a380c7e6264236226a9909c8bc141889. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.
Database Entry
GuLoader
Vendor detections: 15
| SHA256 hash: | cbdff40bf525a8fdbb771e23e9da6463a380c7e6264236226a9909c8bc141889 |
|---|---|
| SHA3-384 hash: | 2684c276f50ff49c066cc2f615e830e8214b71ac7601a0e61d6dbdcdde86934ada3d783d21780655abcaefd72f405d36 |
| SHA1 hash: | 6bd32a4812f05876fb5279393d7858dae6515e73 |
| MD5 hash: | 19ff75be2db21319ad41eb100087f046 |
| humanhash: | jupiter-sierra-king-asparagus |
| File name: | inquiry_4387.exe |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 457'974 bytes |
| First seen: | 2026-05-21 13:52:31 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 6e7f9a29f2c85394521a08b9f31f6275 (326 x GuLoader, 65 x AgentTesla, 63 x RemcosRAT) |
| ssdeep | 6144:eT4DtqvsmZEajninlk5v4RgGqohsGtiVssJ8szRdCVkeGkVqEsafxYjYmr/dt:eTLpZEEns6vOqOsVss6b0aqEsapYNdt |
| Threatray | 2'404 similar samples on MalwareBazaar |
| TLSH | T1B0A4024533A4E273C07D06718C2A8B632B36DC755BD16F1B3354B74E6DB22824A7BE26 |
| TrID | 50.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 10.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 10.5% (.EXE) Win64 Executable (generic) (6522/11/2) 8.1% (.EXE) Win16 NE executable (generic) (5038/12/1) 7.2% (.EXE) Win32 Executable (generic) (4504/4/1) |
| Magika | pebin |
| File icon (PE): |  |
| dhash icon | 9c9262e6f1f1f224 (6 x GuLoader) |
| Reporter |  TomU |
| Tags: | exe GuLoader |
Intelligence
File Origin
# of uploads :
1
# of downloads :
104
Origin country :
CHVendor Threat Intelligence
Malware configuration found for:
GuLoader
NSIS
Details
GuLoader
an XOR decryption key and an extracted component
GuLoader
a c2 URL, a useragent string, and a string XOR key
NSIS
extracted archive contents
Malware family:
remcos
ID:
1
File name:
PS240556.exe
Verdict:
Malicious activity
Analysis date:
2024-11-18 04:42:13 UTC
Tags:
remcos rat remote evasion
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Verdict:
Malicious
Score:
92.5%
Tags:
injection obfusc virus
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Creating a file
Creating a file in the %temp% subdirectories
Delayed reading of the file
Sending a custom TCP request
Unauthorized injection to a recently created process
Restart of the analyzed sample
Connection attempt to an infection source
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug guloader installer installer installer-heuristic microsoft_visual_cc nsis reconnaissance
Verdict:
Malicious
Labled as:
Trojan.Generic
Verdict:
Malicious
File Type:
exe x32
First seen:
2024-11-12T03:51:00Z UTC
Last seen:
2026-05-21T23:40:00Z UTC
Hits:
~1000
Verdict:
Unknown
Score:
96%
Verdict:
Malware
File Type:
PE
Gathering data
Threat name:
Win32.Trojan.Guloader
Status:
Suspicious
First seen:
2024-11-12 07:12:54 UTC
File Type:
PE (Exe)
Extracted files:
7
AV detection:
23 of 36 (63.89%)
Threat level:
5/5
Verdict:
malicious
Label(s):
cloudeye
Similar samples:
+ 2'394 additional samples on MalwareBazaar
Result
Malware family:
guloader
Score:
10/10
Tags:
family:guloader discovery downloader
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Loads dropped DLL
Family: Guloader,Cloudeye
Unpacked files
SH256 hash:
cbdff40bf525a8fdbb771e23e9da6463a380c7e6264236226a9909c8bc141889
MD5 hash:
19ff75be2db21319ad41eb100087f046
SHA1 hash:
6bd32a4812f05876fb5279393d7858dae6515e73
SH256 hash:
7a9ddee34562cd3703f1502b5c70e99cd5bba15de2b6845a3555033d7f6cb2a5
MD5 hash:
564bb0373067e1785cba7e4c24aab4bf
SHA1 hash:
7c9416a01d821b10b2eef97b80899d24014d6fc1
Malware family:
GuLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.79
YARA Signatures
MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.
| Rule name: | Detect_NSIS_Nullsoft_Installer |
|---|---|
| Author: | Obscurity Labs LLC |
| Description: | Detects NSIS installers by .ndata section + NSIS header string |
| Rule name: | VECT_Ransomware |
|---|---|
| Author: | Mustafa Bakhit |
| Description: | Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments. |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Distributed via e-mail attachment
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